yading@10: /*
yading@10:  * SVQ1 decoder
yading@10:  * ported to MPlayer by Arpi <arpi@thot.banki.hu>
yading@10:  * ported to libavcodec by Nick Kurshev <nickols_k@mail.ru>
yading@10:  *
yading@10:  * Copyright (C) 2002 the xine project
yading@10:  * Copyright (C) 2002 the ffmpeg project
yading@10:  *
yading@10:  * SVQ1 Encoder (c) 2004 Mike Melanson <melanson@pcisys.net>
yading@10:  *
yading@10:  * This file is part of FFmpeg.
yading@10:  *
yading@10:  * FFmpeg is free software; you can redistribute it and/or
yading@10:  * modify it under the terms of the GNU Lesser General Public
yading@10:  * License as published by the Free Software Foundation; either
yading@10:  * version 2.1 of the License, or (at your option) any later version.
yading@10:  *
yading@10:  * FFmpeg is distributed in the hope that it will be useful,
yading@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@10:  * Lesser General Public License for more details.
yading@10:  *
yading@10:  * You should have received a copy of the GNU Lesser General Public
yading@10:  * License along with FFmpeg; if not, write to the Free Software
yading@10:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10:  */
yading@10: 
yading@10: /**
yading@10:  * @file
yading@10:  * Sorenson Vector Quantizer #1 (SVQ1) video codec.
yading@10:  * For more information of the SVQ1 algorithm, visit:
yading@10:  *   http://www.pcisys.net/~melanson/codecs/
yading@10:  */
yading@10: 
yading@10: #ifndef AVCODEC_SVQ1_H
yading@10: #define AVCODEC_SVQ1_H
yading@10: 
yading@10: #include <stdint.h>
yading@10: 
yading@10: #define SVQ1_BLOCK_SKIP         0
yading@10: #define SVQ1_BLOCK_INTER        1
yading@10: #define SVQ1_BLOCK_INTER_4V     2
yading@10: #define SVQ1_BLOCK_INTRA        3
yading@10: 
yading@10: uint16_t ff_svq1_packet_checksum(const uint8_t *data,
yading@10:                                  const int length, int value);
yading@10: 
yading@10: extern const int8_t *const ff_svq1_inter_codebooks[6];
yading@10: extern const int8_t *const ff_svq1_intra_codebooks[6];
yading@10: 
yading@10: extern const uint8_t ff_svq1_block_type_vlc[4][2];
yading@10: extern const uint8_t ff_svq1_intra_multistage_vlc[6][8][2];
yading@10: extern const uint8_t ff_svq1_inter_multistage_vlc[6][8][2];
yading@10: extern const uint16_t ff_svq1_intra_mean_vlc[256][2];
yading@10: extern const uint16_t ff_svq1_inter_mean_vlc[512][2];
yading@10: 
yading@10: extern const uint16_t ff_svq1_frame_size_table[7][2];
yading@10: 
yading@10: #endif /* AVCODEC_SVQ1_H */